It is clear that the Tarrasch and Advance Variations are serious enemies of the French defender. At whatever level one plays, Black needs good understanding and a reliable repertoire against these lines, which give him chances to win. On this all-new Foxy Openings series, IM Andrew Martin maps out this repertoire, concentrating on practical solutions which will be of particular benefit to the club player or those with limited time to devote to chess, but who want to maximize their results.